Description: TOXCAST_ph2 is the ph2 subset of EPA’s ToxCast Screening Library (TOXCAST) chemicals, entered into testing in Phase II of the ToxCast screening program. At the close of Phase II testing, this inventory consisted of 768 unique chemicals spanning a wide variety of EPA and public lists, that were chosen to increase the chemical diversity and scope of the TOXCAST library, provide greater coverage of chemicals of concern to EPA programs, and span a broader range of bioactivity and toxicity endpoints. For more details, see TOXCAST

    Number of Chemicals: 768